BeeReel/BeeReel/Class/Home/Controller/BRHomeTop10ViewController.swift

//
//  BRHomeTop10ViewController.swift
//  BeeReel
//
//  Created by 长沙鸿瑶 on 2025/6/30.
//

import UIKit

class BRHomeTop10ViewController: BRViewController {
    
    
    private lazy var dataArr: [[BRShortModel]] = []
    
    
    private lazy var collectionViewLayout: WaterfallMutiSectionFlowLayout = {
        let layout = WaterfallMutiSectionFlowLayout()
        layout.delegate = self
        return layout
    }()
    
    private lazy var collectionView: BRCollectionView = {
        let collectionView = BRCollectionView(frame: .zero, collectionViewLayout: collectionViewLayout)
        collectionView.contentInset = .init(top: 0, left: 0, bottom: UIScreen.customTabBarHeight + 10, right: 0)
        collectionView.delegate = self
        collectionView.dataSource = self
        collectionView.register(BRHomeTop10Cell.self, forCellWithReuseIdentifier: "cell")
        collectionView.register(BRHomeTop3Cell.self, forCellWithReuseIdentifier: "BRHomeTop3Cell")
        return collectionView
    }()
    
    override func viewDidLoad() {
        super.viewDidLoad()

        requestDataArr()
        
        br_setupUI()
    }
    
    
    override func handleHeaderRefresh(_ completer: (() -> Void)?) {
        requestDataArr {
            completer?()
        }
    }


}

extension BRHomeTop10ViewController {
    
    private func br_setupUI() {
        view.addSubview(collectionView)
        
        collectionView.snp.makeConstraints { make in
            make.left.right.equalToSuperview()
            make.bottom.equalToSuperview()
            make.top.equalToSuperview().offset(20)
        }
    }
    
    
}

//MARK: --------------   WMZPageProtocol  --------------
extension BRHomeTop10ViewController: WMZPageProtocol {
    
    func getMyScrollView() -> UIScrollView {
        return self.collectionView
    }
}


//MARK: --------------   UICollectionViewDelegate UICollectionViewDataSource  --------------
extension BRHomeTop10ViewController: UICollectionViewDelegate, UICollectionViewDataSource {
    
    func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
        let model = self.dataArr[indexPath.section][indexPath.row]
        
        if indexPath.section == 0 {
            let cell = collectionView.dequeueReusableCell(withReuseIdentifier: "BRHomeTop3Cell", for: indexPath) as! BRHomeTop3Cell
            cell.num = indexPath.row + 1
            cell.model = model
            return cell
        } else {
            let cell = collectionView.dequeueReusableCell(withReuseIdentifier: "cell", for: indexPath) as! BRHomeTop10Cell
            cell.num = indexPath.row + 4
            cell.model = model
            return cell
        }
    }
    
    func numberOfSections(in collectionView: UICollectionView) -> Int {
        return self.dataArr.count
    }
    
    func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
        return self.dataArr[section].count
    }
    
    func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {
        let model = self.dataArr[indexPath.section][indexPath.row]
        
        let vc = BRVideoDetailViewController()
        vc.shortPlayId = model.short_play_id
        self.navigationController?.pushViewController(vc, animated: true)
    }
}

//MARK: --------------   WaterfallMutiSectionDelegate  --------------
extension BRHomeTop10ViewController: WaterfallMutiSectionDelegate {
    
    func heightForRowAtIndexPath(collectionView collection: UICollectionView, layout: WaterfallMutiSectionFlowLayout, indexPath: IndexPath, itemWidth: CGFloat) -> CGFloat {
        if indexPath.section == 0 {
            if indexPath.row == 0 {
                return 240
            } else {
                return 115
            }
        }
        return 126
    }
    
    func columnNumber(collectionView collection: UICollectionView, layout: WaterfallMutiSectionFlowLayout, section: Int) -> Int {
        if section == 0 {
            return 2
        } else {
            return 1
        }
    }
    
    func lineSpacing(collectionView collection: UICollectionView, layout: WaterfallMutiSectionFlowLayout, section: Int) -> CGFloat {
        if section == 0 {
            return 10
        } else {
            return 12
        }
    }
    
    func interitemSpacing(collectionView collection: UICollectionView, layout: WaterfallMutiSectionFlowLayout, section: Int) -> CGFloat {
        return 10
    }
    
    func referenceSizeForHeader(collectionView collection: UICollectionView, layout: WaterfallMutiSectionFlowLayout, section: Int) -> CGSize {
        if section > 0 {
            return .init(width: UIScreen.width, height: 10)
        } else {
            return .zero
        }
    }
    
    func insetForSection(collectionView collection: UICollectionView, layout: WaterfallMutiSectionFlowLayout, section: Int) -> UIEdgeInsets {
        return .init(top: 0, left: 15, bottom: 0, right: 15)
    }
}

extension BRHomeTop10ViewController {
    
    private func requestDataArr(completer: (() -> Void)? = nil) {
        
        BRHomeAPI.requestTop10List { [weak self] list in
            guard let self = self else { return }
            guard let list = list else {
                completer?()
                return
            }
            self.dataArr.removeAll()
            
            var arr1: [BRShortModel] = []
            var arr2: [BRShortModel] = []
            
            list.enumerated().forEach {
                if $0 < 3 {
                    arr1.append($1)
                } else {
                    arr2.append($1)
                }
            }
            if arr1.count > 0 {
                self.dataArr.append(arr1)
            }
            if arr2.count > 0 {
                self.dataArr.append(arr2)
            }
            self.collectionView.reloadData()
            
            completer?()
        }
        
    }
    
    
}